There are a few differences between the published version and the pixiv version. First, there is a lot more detail and backgrounds in the published version. Second and more importantly, Heath has a really deep V-neck.
MC is good friends with GirlA and in love with GirlB. The thing is, GirlA is secretly in love with MC and MC is aware of this but she can't respond to her feelings because she likes GirlB. Forgot the rest of the story but MC did get together with GirlA.
@Yuki_mi46 "The Witch Hunter" just dosen't have as much punch, though. As long as it has words that you didn't learn in middle school Spanish, it sounds better.